<template>
  <div :id="id" :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from 'echarts';
import resize from './mixins/resize';

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: 'chart',
    },
    id: {
      type: String,
      default: 'chart',
    },
    width: {
      type: String,
      default: '200px',
    },
    height: {
      type: String,
      default: '200px',
    },
  },
  data() {
    return {
      chart: null,
    };
  },
  mounted() {
    this.initChart();
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
  },
  methods: {
    initChart() {
      this.chart = echarts.init(document.getElementById(this.id));
      const xData = (function() {
        const data = [];
        for (let i = 1; i < 13; i++) {
          data.push(i + 'month');
        }
        return data;
      }());
      this.chart.setOption({
        backgroundColor: '#344b58',
        title: {
          text: 'statistics',
          x: '20',
          top: '20',
          textStyle: {
            color: '#fff',
            fontSize: '22',
          },
          subtextStyle: {
            color: '#90979c',
            fontSize: '16',
          },
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            textStyle: {
              color: '#fff',
            },
          },
        },
        grid: {
          left: '5%',
          right: '5%',
          borderWidth: 0,
          top: 150,
          bottom: 95,
          textStyle: {
            color: '#fff',
          },
        },
        legend: {
          x: '5%',
          top: '10%',
          textStyle: {
            color: '#90979c',
          },
          data: ['female', 'male', 'average'],
        },
        calculable: true,
        xAxis: [{
          type: 'category',
          axisLine: {
            lineStyle: {
              color: '#90979c',
            },
          },
          splitLine: {
            show: false,
          },
          axisTick: {
            show: false,
          },
          splitArea: {
            show: false,
          },
          axisLabel: {
            interval: 0,
          },
          data: xData,
        }],
        yAxis: [{
          type: 'value',
          splitLine: {
            show: false,
          },
          axisLine: {
            lineStyle: {
              color: '#90979c',
            },
          },
          axisTick: {
            show: false,
          },
          axisLabel: {
            interval: 0,
          },
          splitArea: {
            show: false,
          },
        }],
        dataZoom: [{
          show: true,
          height: 30,
          xAxisIndex: [
            0,
          ],
          bottom: 30,
          start: 10,
          end: 80,
          handleIcon: 'path://M306.1,413c0,2.2-1.8,4-4,4h-59.8c-2.2,0-4-1.8-4-4V200.8c0-2.2,1.8-4,4-4h59.8c2.2,0,4,1.8,4,4V413z',
          handleSize: '110%',
          handleStyle: {
            color: '#d3dee5',
          },
          textStyle: {
            color: '#fff' },
          borderColor: '#90979c',
        }, {
          type: 'inside',
          show: true,
          height: 15,
          start: 1,
          end: 35,
        }],
        series: [
          {
            name: 'female',
            type: 'bar',
            stack: 'total',
            barMaxWidth: 35,
            barGap: '10%',
            itemStyle: {
              normal: {
                color: 'rgba(255,144,128,1)',
                label: {
                  show: true,
                  textStyle: {
                    color: '#fff',
                  },
                  position: 'insideTop',
                  formatter(p) {
                    return p.value > 0 ? p.value : '';
                  },
                },
              },
            },
            data: [
              709,
              1917,
              2455,
              2610,
              1719,
              1433,
              1544,
              3285,
              5208,
              3372,
              2484,
              4078,
            ],
          },
          {
            name: 'male',
            type: 'bar',
            stack: 'total',
            itemStyle: {
              normal: {
                color: 'rgba(0,191,183,1)',
                barBorderRadius: 0,
                label: {
                  show: true,
                  position: 'top',
                  formatter(p) {
                    return p.value > 0 ? p.value : '';
                  },
                },
              },
            },
            data: [
              327,
              1776,
              507,
              1200,
              800,
              482,
              204,
              1390,
              1001,
              951,
              381,
              220,
            ],
          }, {
            name: 'average',
            type: 'line',
            stack: 'total',
            symbolSize: 10,
            symbol: 'circle',
            itemStyle: {
              normal: {
                color: 'rgba(252,230,48,1)',
                barBorderRadius: 0,
                label: {
                  show: true,
                  position: 'top',
                  formatter(p) {
                    return p.value > 0 ? p.value : '';
                  },
                },
              },
            },
            data: [
              1036,
              3693,
              2962,
              3810,
              2519,
              1915,
              1748,
              4675,
              6209,
              4323,
              2865,
              4298,
            ],
          },
        ],
      });
    },
  },
};
</script>
